The new DL380 G4 extends its history of design excellence with enterprise-class uptime and manageability, proven 2-way Intel Xeon performance, and 2U density for a variety of rack deployments and applications. Proven performance and state-of the-art Intel Xeon processors with EM64T, an 800MHz Front Side Bus and 1MB or 2MB Level 2 Cache deliver proven performance, Dual-core Intel Xeon processor models available. Up to 12GB of 2-way interleaved 400MHz DDR2 SDRAM to support demanding memory intensive applications and 3 full-length PCI-X expansion slots and optional PCI-Express provide latest I/O performance technologies. Dual embedded Gigabit NICs for fast network communications. Minimize bottlenecks with the Smart Array P600 Performance SAS Array Controller with 256MB Battery-Backed Write Cache or the integrated Smart Array 6i Ultra 320 Array Controller with optional 128MB of Battery Backed Write Cache.